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Utilizing Old Egyptian Wisdom for Stabilization of Individual Carbon Nanotubes in Aqueous Dispersions

Published online by Cambridge University Press:  15 March 2011

Rajdip Bandyopadhyaya ,
Einat Nativ-Roth ,
Oren Regev  and
Rachel Yerushalmi Rozen
Rajdip Bandyopadhyaya
Affiliation:
Department of Chemical Engineering and The Ilse Katz center for Meso and Nano-scale Science and Technology, the Ben Gurion University in the Negev, 84105 Beer Sheva, [email protected]@bgumail.bgu.ac.il
Einat Nativ-Roth
Affiliation:
Department of Chemical Engineering and The Ilse Katz center for Meso and Nano-scale Science and Technology, the Ben Gurion University in the Negev, 84105 Beer Sheva, [email protected]@bgumail.bgu.ac.il
Oren Regev
Affiliation:
Department of Chemical Engineering and The Ilse Katz center for Meso and Nano-scale Science and Technology, the Ben Gurion University in the Negev, 84105 Beer Sheva, [email protected]@bgumail.bgu.ac.il
Rachel Yerushalmi Rozen
Affiliation:
Department of Chemical Engineering and The Ilse Katz center for Meso and Nano-scale Science and Technology, the Ben Gurion University in the Negev, 84105 Beer Sheva, [email protected]@bgumail.bgu.ac.il
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Abstract

The tendency of single wall carbon nanotubes to organize into crystalline ropes and the aggregation of the ropes into tangled networks act as an obstacle for most applications, and diminishes the special properties of the individual tubes. We describe a procedure for dispersing as-produced nanotube powder in aqueous solutions of Gum Arabic. Dispersion results in spontaneous exfoliation of nanotubes ropes into individual tubes, as demonstrated via x-ray scattering and electron microscopy.

Type
Article
Information
MRS Online Proceedings Library (OPL) , Volume 706: Symposium Z – Making Functional Materials with Nanotubes , 2001 , Z9.28.1
Copyright
Copyright © Materials Research Society 2002

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